Openwear requires RC oscillator to be used

Fork of nRF51822 by Nordic Semiconductor

Revision:
0:eff01767de02
Child:
37:c29c330d942c
diff -r 000000000000 -r eff01767de02 nordic/nrf-sdk/s110/nrf_sdm.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nordic/nrf-sdk/s110/nrf_sdm.h	Wed Mar 26 14:38:17 2014 +0000
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2011 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is confidential property of Nordic Semiconductor. The use,
+ * copying, transfer or disclosure of such information is prohibited except by express written
+ * agreement with Nordic Semiconductor.
+ *
+ */
+/**
+  @defgroup nrf_sdm_api SoftDevice Manager API
+  @{
+     
+  @brief APIs for SoftDevice management.
+ 
+*/
+
+/* Header guard */
+#ifndef NRF_SDM_H__
+#define NRF_SDM_H__
+
+#include "nordic_global.h"
+#include "nrf_svc.h"
+#include "nrf51.h"
+#include "nrf_soc.h"
+#include "nrf_error_sdm.h"
+
+/** @addtogroup NRF_SDM_DEFINES Defines
+ * @{ */
+
+/**@brief SoftDevice Manager SVC Base number. */
+#define SDM_SVC_BASE 0x10   
+
+/** @} */
+
+/** @addtogroup NRF_SDM_ENUMS Enumerations
+ * @{ */
+
+/**@brief nRF SoftDevice Manager API SVC numbers. */
+enum NRF_SD_SVCS
+{
+  SD_SOFTDEVICE_ENABLE = SDM_SVC_BASE, /**< ::sd_softdevice_enable */
+  SD_SOFTDEVICE_DISABLE,               /**< ::sd_softdevice_disable */
+  SD_SOFTDEVICE_IS_ENABLED,            /**< ::sd_softdevice_is_enabled */
+  SD_SOFTDEVICE_FORWARD_TO_APPLICATION,/**< ::sd_softdevice_forward_to_application */
+  SVC_SDM_LAST                         /**< Placeholder for last SDM SVC */
+};
+
+/**@brief Possible lfclk oscillator sources. */
+enum NRF_CLOCK_LFCLKSRCS
+{
+  NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM,                       /**< LFCLK Synthesized from HFCLK.                    */
+  NRF_CLOCK_LFCLKSRC_XTAL_500_PPM,                        /**< LFCLK crystal oscillator 500 PPM accuracy.       */
+  NRF_CLOCK_LFCLKSRC_XTAL_250_PPM,                        /**< LFCLK crystal oscillator 250 PPM accuracy.       */
+  NRF_CLOCK_LFCLKSRC_XTAL_150_PPM,                        /**< LFCLK crystal oscillator 150 PPM accuracy.       */
+  NRF_CLOCK_LFCLKSRC_XTAL_100_PPM,                        /**< LFCLK crystal oscillator 100 PPM accuracy.       */
+  NRF_CLOCK_LFCLKSRC_XTAL_75_PPM,                         /**< LFCLK crystal oscillator 75 PPM accuracy.        */
+  NRF_CLOCK_LFCLKSRC_XTAL_50_PPM,                         /**< LFCLK crystal oscillator 50 PPM accuracy.        */
+  NRF_CLOCK_LFCLKSRC_XTAL_30_PPM,                         /**< LFCLK crystal oscillator 30 PPM accuracy.        */
+  NRF_CLOCK_LFCLKSRC_XTAL_20_PPM,                         /**< LFCLK crystal oscillator 20 PPM accuracy.        */
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION,        /**< LFCLK RC oscillator, 250ms  calibration interval.*/
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_500MS_CALIBRATION,        /**< LFCLK RC oscillator, 500ms  calibration interval.*/
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_1000MS_CALIBRATION,       /**< LFCLK RC oscillator, 1000ms calibration interval.*/
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_2000MS_CALIBRATION,       /**< LFCLK RC oscillator, 2000ms calibration interval.*/
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION,       /**< LFCLK RC oscillator, 4000ms calibration interval.*/
+  NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION,       /**< LFCLK RC oscillator, 8000ms calibration interval.*/
+};
+
+/** @} */
+
+/** @addtogroup NRF_SDM_TYPES Types
+ * @{ */
+
+/**@brief Type representing lfclk oscillator source. */
+typedef uint32_t nrf_clock_lfclksrc_t;
+
+
+/**@brief SoftDevice Assertion Handler type.
+ *
+ * When an unexpected error occurs within the SoftDevice it will call the SoftDevice assertion handler callback.
+ * The protocol stack will be in an undefined state when this happens and the only way to recover will be to
+ * perform a reset, using e.g. CMSIS NVIC_SystemReset().
+ *
+ * @note This callback is executed in HardFault context, thus SVC functions cannot be called from the SoftDevice assert callback.
+ *       
+ * @param[in] pc The program counter of the failed assert.
+ * @param[in] line_number Line number where the assert failed.
+ * @param[in] file_name File name where the assert failed.
+ */
+typedef void (*softdevice_assertion_handler_t)(uint32_t pc, uint16_t line_number, const uint8_t * p_file_name);
+
+/** @} */
+
+/** @addtogroup NRF_SDM_FUNCTIONS Functions
+ * @{ */
+
+/**@brief Enables the SoftDevice and by extension the protocol stack.
+ *
+ * Idempotent function to enable the SoftDevice.
+ *
+ * @note Some care must be taken if a low frequency clock source is already running when calling this function:
+ *       If the LF clock has a different source then the one currently running, it will be stopped. Then, the new
+ *       clock source will be started.
+ *
+ * @note This function has no effect when returning with an error.
+ *
+ * @post If return code is ::NRF_SUCCESS 
+ *       - SoC library and protocol stack APIs are made available
+ *       - A portion of RAM will be unavailable (see relevant SDS documentation)
+ *       - Some peripherals will be unavailable or available only through the SoC API (see relevant SDS documentation)
+ *       - Interrupts will not arrive from protected peripherals or interrupts
+ *       - nrf_nvic_ functions must be used instead of CMSIS NVIC_ functions for reliable usage of the softdevice.
+ *       - Interrupt latency may be affected by the SoftDevice  (see relevant SDS documentation)
+ *       - Chosen low frequency clock source will be running
+ *
+ * @param clock_source Low frequency clock source and accuracy. (Note: In the case of XTAL source, the PPM accuracy of the chosen clock source must be greater than or equal to the actual characteristics of your XTAL clock).
+ * @param assertion_handler Callback for SoftDevice assertions.
+ *
+ * @retval ::NRF_SUCCESS
+ * @retval ::NRF_ERROR_SDM_INCORRECT_INTERRUPT_CONFIGURATION SoftDeviceinterrupt is already enabled, or an enabled interrupt has an illegal priority level
+ * @retval ::NRF_ERROR_SDM_LFCLK_SOURCE_UNKNOWN Unknown low frequency clock source selected
+ */
+SVCALL(SD_SOFTDEVICE_ENABLE, uint32_t, sd_softdevice_enable(nrf_clock_lfclksrc_t clock_source, softdevice_assertion_handler_t assertion_handler));
+
+/**@brief Disables the SoftDevice and by extension the protocol stack.
+ * 
+ * Idempotent function to disable the SoftDevice.
+ *
+ * @post SoC library and protocol stack APIs are made unavailable.
+ * @post All interrupts that was protected by the SoftDevice will be disabled and initialized to priority 0 (highest).
+ * @post All peripherals used by the SoftDevice will be reset to default values.
+ * @post All of RAM become available.
+ * @post All interrupts are forwarded to the application.
+ * @post LFCLK source chosen in ::sd_softdevice_enable will be left running.
+ *
+ * @retval ::NRF_SUCCESS
+ */
+SVCALL(SD_SOFTDEVICE_DISABLE, uint32_t, sd_softdevice_disable(void));
+
+/**@brief Check if the SoftDevice is enabled.
+ *
+ * @param[out]  p_softdevice_enabled If the SoftDevice is enabled: 1 else 0.
+ *
+ * @retval ::NRF_SUCCESS
+ */
+SVCALL(SD_SOFTDEVICE_IS_ENABLED, uint32_t, sd_softdevice_is_enabled(uint8_t * p_softdevice_enabled));
+
+/**@brief Start forwarding interrupts to application.
+ * 
+ * This function is only intended to be called when a bootloader is enabled is used.
+ * The bootloader should call this right before it starts the application. 
+ * It is recommended that all interrupt sources are off when this is called, 
+ * or you could end up having interrupts in the application being executed before main() of the application.
+ *
+ * @retval ::NRF_SUCCESS
+ */
+SVCALL(SD_SOFTDEVICE_FORWARD_TO_APPLICATION, uint32_t, sd_softdevice_forward_to_application(void)); 
+
+/** @} */
+
+#endif // NRF_SDM_H__
+
+/**
+  @}
+*/